Results 291 to 300 of about 186,524 (347)
Cardiac Electrophysiology Clinics, 2016 The electrocardiogram (ECG) raises the question of inappropriate device behavior and the possibility of ventricular lead oversensing causing failure of ventricular pacing. Careful analysis of the ECG proved that the mode of pacing was set to managed ventricular pacing (MVP) mode.
Bernard Abi-Saleh +3 more
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A Case of Pacemaker and Pacemaker-Like Syndrome
Journal of Interventional Cardiac Electrophysiology, 2003This report describes the occurrence of both pacemaker syndrome and a pacemaker-like syndrome (so-called "pseudopacemaker syndrome") in a patient who exhibited an atrioventricular junctional rhythm probably on the basis of sick sinus syndrome. The clinical and hemodynamic manifestations of the two clinical situations were similar and associated with ...
S. Serge Barold +4 more
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IEEE Engineering in Medicine and Biology Magazine, 2006
A brief overview of the history and development of circuit designs applied in pacemakers has been presented. The advances in IC designs have resulted in increasingly sophisticated pacing circuitry, providing, for instance, diagnostic analysis, adaptive rate response, and programmability.
Haddad, S.A.P. (author) +2 more
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A brief overview of the history and development of circuit designs applied in pacemakers has been presented. The advances in IC designs have resulted in increasingly sophisticated pacing circuitry, providing, for instance, diagnostic analysis, adaptive rate response, and programmability.
Haddad, S.A.P. (author) +2 more
openaire +4 more sources
Annals of the New York Academy of Sciences, 2004
Abstract: The pacemaker “funny” current (If) has been the object of detailed investigations since its original description in sinoatrial node myocytes in the late 1970s; its role in underlying generation of spontaneous activity and autonomic modulation of cardiac rate has been amply demonstrated.
M. Baruscotti, D. DiFrancesco
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Abstract: The pacemaker “funny” current (If) has been the object of detailed investigations since its original description in sinoatrial node myocytes in the late 1970s; its role in underlying generation of spontaneous activity and autonomic modulation of cardiac rate has been amply demonstrated.
M. Baruscotti, D. DiFrancesco
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Stability, precision, and near-24-hour period of the human circadian pacemaker.
Science, 1999Regulation of circadian period in humans was thought to differ from that of other species, with the period of the activity rhythm reported to range from 13 to 65 hours (median 25.2 hours) and the period of the body temperature rhythm reported to average ...
C. Czeisler +11 more
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Archives of Internal Medicine, 1979
The runaway pacemaker is an uncommon but very serious complication of permanent artificial pacemakers. Although the runaway pacemaker has been most frequently encountered in older (fixed rate) pacemakers, this problem has also been reported in various types of newer models manufactured by different companies.
Edward Solow +2 more
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The runaway pacemaker is an uncommon but very serious complication of permanent artificial pacemakers. Although the runaway pacemaker has been most frequently encountered in older (fixed rate) pacemakers, this problem has also been reported in various types of newer models manufactured by different companies.
Edward Solow +2 more
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Pacemaker pseudodysfunction with a coronary sinus pacemaker
American Heart Journal, 1974Abstract A permanent transvenous coronary sinus pacemaker functioned effectively for 22 months both as an atrial and ventricular pacemaker. Slow atrial flutter resulted in failure of the pacemaker to capture the myocardium and thus incorrectly suggested pacemaker dysfunction.
C.Richard Bowman, William H. Carter
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Current Problems in Surgery, 1997
Rapid advances in pacing technology will continue to affect the quality of life of many patients with cardiovascular disease. A truly "smart" device that seemed fanciful 30 years ago now seems to be a virtual certainty by early in the next century.
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Rapid advances in pacing technology will continue to affect the quality of life of many patients with cardiovascular disease. A truly "smart" device that seemed fanciful 30 years ago now seems to be a virtual certainty by early in the next century.
openaire +2 more sources
Annals of Internal Medicine, 1985
The pacemaker syndrome is a complex of clinical signs and symptoms related to the adverse hemodynamic and electrophysiologic consequences of ventricular pacing in the absence of other causes. Neurologic symptoms or those suggesting low cardiac output or congestive heart failure, temporally related to the onset of ventricular pacing, are indicative of ...
Kalman Ausubel, Seymour Furman
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The pacemaker syndrome is a complex of clinical signs and symptoms related to the adverse hemodynamic and electrophysiologic consequences of ventricular pacing in the absence of other causes. Neurologic symptoms or those suggesting low cardiac output or congestive heart failure, temporally related to the onset of ventricular pacing, are indicative of ...
Kalman Ausubel, Seymour Furman
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The Annals of Thoracic Surgery, 1981 Abstract A pacemaker forceps has been designed that will grip firmly pacemakers of various shapes and dimensions. It does not damage the pacemakers.
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